Gold Member Since 2015
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Yueqing Heyi Electrical Co., Ltd.

Current Transformer, Pin Type Current Transformer, Mini Current Transformer manufacturer / supplier in China, offering Pin Type Current Transformer CT-409 Mini Current Transformer, Ce RoHS Split Core Current Transformer Manufacturer Flexible Low Voltage CT for Energy Monitoring, Top Sell Three Phase Power Capacitor for Capacitor Battery and so on.

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Supplier Homepage Product Mini Current Transformer Pin Type Current Transformer CT-409 Mini Current Transformer

Pin Type Current Transformer CT-409 Mini Current Transformer

FOB Price: US $0.1-1.3 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $0.1-1.3/ Piece
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Port: Shanghai, China
Production Capacity: 5000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: CT-409
  • Type: Current Transformer
  • Operation Condition: Indoor
  • Winding Form: Small Fixed Type
  • Installation: PCB Mount
  • Voltage Transformation Principle: Electromagnetic Type
  • Accuracy Class: 0.1
  • Frequency: 50/60Hz
  • Product Application: Precise Measurement of Current and Power
  • Transport Package: Standard Export Pakage
  • Origin: Liushi, Yueqing, Zhejiang Province, China
  • Application: Electronic, Instrument
  • Phase: Single
  • Usage: Measurement
  • Insulating Medium: Insulating Paper
  • Magnetic Circuit Structure: Single Stage Type
  • Color: Black
  • Product Type: Pin Type Current Transformer
  • Encapsulation: Cast Resin
  • Trademark: HEYI
  • Specification: CE
  • HS Code: 8504311000
Product Description
CT-409  mini current transformer
 Product description:
- Completely-enclosed, good mechanical behavior, suitable environments, strong voltage
isolation ability, delicate appearance;
- The secondary lead wire is pin format, which can be directly welded on a PCB;
- The primary lead wire could be pin, soft wire as well as tin-plated copper-core wire;
- Linear output current, high precision;
- Small volume, light weight, easy for installation;
- Encapsulated with epoxy resin to ensure strong insulation ability;
- PBT anti-combustion plastic casing.
ModelSpecificationRated Pr .Current Max CurrentRated  Sec CurrentRated sampling voltageLoad ResistanceAccuracy Class
CT-409   10(100)A / 10mA     10A   100A    10mA 100mV10Ω0.1
  10(100)A/5mA    10A   100A    5mA100mV20Ω0.1
20(200)A /10mA     20A   200A    10mA50mV0.1

he main technical parameter:



Rated input current


Rated output current


turns ratio


Phase angle error(input 1A)


linear range




Accuracy class


isolation voltage







PCB mounting

operating temperature



High accuracy more than class 0.1.
Low profile,compact size and flexible to arrange line
Various ways for fixing,which are reliable and flexible.
Convenient in application and installation
Flexible design for measurement and protecting
Used in universal and be in good interchangeability

Technical parameter:
working frequency:AC50-400Hz
flame retardant rating:UL94 V-0
Dielectric strength:2.500/minute
Insulation resistance:1.000MΩ at 500VDC
Surge voltage:5.000V(1.2/50 standard thunder wave)
Working temperature:-10~75°C
Storage temperature:-25°C~75°C
Accuracy class:IEC60044-1 CT class0.1,class0.2

Customer specifications are available 

Electronic energy meter, power transducer, precision power meter and other power and energy monitoring devices
Over current protection circuit of motor and other electrical appliances.
Useage: Work in all kinds of electrical meter and metering fields.
Strength: 1. Good material, sampling resistance precision and stable.
              2. Various type.
              3. Good service: make according to customer requirement.
              4. Good electrical performance

We can produce it according to customers' requirements.

Electronic energy meter, power transducer, precision power meter and other power and energy monitoring devices 
Over current protection circuit of motor and other electrical appliances

How to Order? 

1. Please let us know what kind of model, color, poles and rated current etc. 
2. Proforma invoice (PI) will be sent to you. 
3. Please check and confirm the PI. 
4. Once we confirmed the order, please pay it soon. 
5. After full payment, all goods will be sent to you in 3-5 days as usual. 
6. OEM/ODM is welcomed. Free OEM for more than 5000 sets orders. 

1. Products are shipped via UPS / DHL / EMS / HK EMS / FedEx / TNT and so on expresses (door to door). 
2. We Provide Drop shipping Service. 
3. 5 days delivery upon receiving payment if the qty is lower than 1000PCS and it is not customized products. 
4. In order to ensure you receive your order tax free upon import, we declare lower value. 
5. Shipping via EMS. UPS. FedEx and TNT express usually takes 3~7days dependent on the destination country. 
1. We accept Western Union and T/T 
2.30% deposit and 70% before shipping 
3. No payment collection. We only can deliver goods after getting full payment. 
1. We provide 1 year warranty. 
2. If the product is defective, please notify us within 3 days of delivery. 
3. All products must be returned on their original condition, in order to qualify for a refund or exchange of goods 

Our Commitment
BETTER PRICE than other sellers for you because of Factory Direct Sale
BETTER QUALITY than before caused by our 10+ years experience about CT
STOCK IN TRADE always own to our Fast & Professional production line
FAST DELIVERY always made by our GROUP's Enthusiam
TIMING REPLY in 24 hours all about our TEAM's Passion & Patience 
Please feel free to email us if any questions.
It's Our Pleasure to Serve You.

1.Question : Are you a factory or trading company ? 
Answer: We are an SGS recognized OEM/ODM manufacturer factory with export license. We have an outstanding and experienced team made up of "A" player who have a passion for doing something great to create more value for customers world-wide.
2. Question :  Why choose cooperate with us ?  
Answer :  -- Right people, Right product, Right price ;
                -- Company-wide customer awareness ;
                -- Reliable Quality and All components from world leading suppliers ;
                -- Cost-effective export infrastructure and total supply chain management ;

3. Question : Where is your factory located ?  How can I visit there ?    
Answer: With an ISO90001 certified factory located in  Yueqing city , zhejiang Province , P.R. China . It takes about 4 hours from SHANGHAI by train and 45 minute by air . It is very pleasure for clients to visit us. 

4. Question :  Can you do OEM ? 
Answer :  Yes, we have the ability to do OEM / ODM to meet clients' requirements. 

How to contact us ?

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Ms. Bethy Cai
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